/**
 * @license
 * Copyright 2018 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

const { sequences } = require('@magenta/music')
const { quantizeNoteSequence, unquantizeSequence } = sequences

export function toNoteSequence(notes, duration){
	return quantizeNoteSequence(
		{
			ticksPerQuarter : 220,
			totalTime : duration,
			timeSignatures : [
				{
					time : 0,
					numerator : 4,
					denominator : 4
				}
			],
			tempos : [
				{
					time : 0,
					qpm : 60
				}
			],
			notes : notes.filter(n => !n.muted)
		},
		4
	)
}

export function fromNoteSequence(sequence){
	return sequence.notes
}
